JPH06273048A - Operation display system for grain dryer - Google Patents

Abstract

PURPOSE:To easily plan an operation after a drying operation finishing time is known as a measure by displaying a detected grain moisture when exceeding an upper limit grain moisture and scheduled drying time with numeric values and a more value. CONSTITUTION:Various items necessary to dry are set by operating function setting means 33a, 33b, 33c, 33d of an operation board 15, and function setting means for starting drying operation is operated to start a dryer, a moisture sensor, etc. Display of grain moisture during drying on display means 32 when the moisture exceeds an upper limit grain moisture capable of being detected by the sensor is displayed with a numeric value such as 31.1% or more if the upper limit grain moisture is 31%. A scheduled drying time is calculated according to a moisture difference between the detecting upper limit grain moisture and a set finish stop moisture and detected drying speed data, and displayed with a numeric value such as 18 or more when it is calculated to 18 hours.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation display system for a grain dryer.

[0002]

2. Description of the Related Art Conventionally, on a surface portion of a control panel which is operated and operated, a finish of drying is performed by a moisture content of a grain detected by a moisture sensor, a moisture difference between the moisture content of the detected grain and a moisture content for finishing and a drying speed data. Display means for displaying the planned dry time and the like are provided, and below the display means are provided a plurality of function setting means for setting and changing the multi-function and a stopping means for stopping.

The grains stored in the grain storage chamber are fed out from this storage chamber to the grain drying chamber and are circulated while flowing down.
It is exposed to dry hot air and dried, and the moisture of the grain during this drying is detected by a moisture sensor.
When the upper limit of the moisture content of the grain that can be detected by the moisture sensor is exceeded, the display on the display means displays, for example, the detected moisture content of the grain as a symbol H.
The planned drying time was displayed as H · H, and the planned drying time was calculated based on the upper limit grain moisture detected, and the calculated planned drying time was displayed as HH · HH in a symbol. .

[0004]

When the grain drying operation is started by the grain dryer, each function setting means of the operation panel is operated to set various items required for drying, and the drying operation is started. By operating the function setting means, the dryer and the moisture sensor are started. Grains stored in the grain storage chamber of the dryer, while being fed out from the storage chamber to the grain drying chamber and circulated, are dried by being exposed to hot dry air, and the moisture content of the grains during drying is Detected by the moisture sensor,
When the detected grain moisture exceeds the upper limit grain moisture that can be detected by the moisture sensor, the display on the display means indicates, for example, the detected grain moisture as HH · H. Further, the planned drying time is calculated from the water difference between the upper limit of the detected grain water content and the moisture content after finishing and the detected drying speed data, and the calculated planned drying time is displayed as a symbol HH.HH.

The above-mentioned display of the planned drying time is indicated by the symbol HH.
By displaying in HH, it is not possible to know the scheduled time for completion of drying, but it is intended to display how much (how many hours or more) the time is as a guide.

[0006]

SUMMARY OF THE INVENTION The present invention is provided so as to be exposed to dry hot air and dried while the grains are being let out from the upper grain storage chamber 8 to the lower grain drying chamber 9 and flowing down. In addition to providing the moisture sensor 2 for detecting the moisture of the, the operation panel 15 for operating the operation is provided, and the detected grain moisture and the difference in moisture between the detected grain moisture and the finishing stop moisture on the surface of the operation panel 15, And a plurality of function setting means 33a, 33b for setting or changing the display means 32 multi-function capable of displaying the expected drying time until the end of the drying by the drying speed data.
33c, 33d, and the dryer provided with the emergency stop means 34 for stopping the grain dryer, the display means 32 when the detected grain moisture exceeds the upper limit grain moisture detectable by the moisture sensor 2. With respect to the grain water content and the planned drying time, it is displayed that the upper limit value such as the upper limit grain water content or more is exceeded, and the planned drying time is calculated based on the upper limit grain water content. An operation display system is characterized in that the display output is controlled on the display means 32 so as to display the scheduled drying time and that the drying time will be exceeded.

[0007]

When the grain drying operation is started by the grain dryer, each function setting means 33a, 33b of the operation panel 15 is operated.
By operating 33c and 33d to set various items required for drying and operating the function setting means 33b for starting the drying operation, the dryer and the moisture sensor 2 are started.

The grain stored in the grain storage chamber 8 of the grain dryer is discharged from the storage chamber 8 to the grain drying chamber 9 and circulated while being exposed to hot dry air and dried.
The moisture of the grain being dried is detected by the moisture sensor 2, and when the detected moisture of the grain exceeds the upper limit grain moisture that can be detected by the moisture sensor 2, the display on the display means 32 is as follows.
The detected grain moisture is a numerical value, for example, if the upper limit grain moisture is 31%, it is displayed as 31.1% or more. Also, the planned drying time is calculated from the difference in water between the upper limit grain moisture of the detection and the set finishing stop moisture and the detected drying rate data, and the calculated planned drying time is calculated as a numerical value, for example, 18 hours. 18 hours is displayed as 18 or more.

[0009]

EFFECT OF THE INVENTION When the moisture content of the detected grain detected by the moisture sensor 2 exceeds the upper limit of the moisture content of the grain detected by the moisture sensor 2, the display of the moisture content of the detected grain and the expected drying time is indicated by the numerical value and the above. By being displayed, it is possible to know especially the drying end time as a guide, and it becomes easy to plan the subsequent work.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The illustrated example is a circulation type grain dryer 1 for drying grains.
It shows a state in which a moisture sensor 2 for detecting the moisture of the grain and a burner 4 of a hot air device 3 for generating hot dry air are attached.

The dryer 1 has a rectangular shape which is long in the front-rear direction and has a transfer gutter 6 and a ceiling plate 7 in which a transfer spiral is rotatably mounted on the upper part of the machine wall 5. Below the ceiling plate 7, grains are provided. A grain storage chamber 8 for storing grains is formed. On the inner surface of the front machine wall 5 forming the storage chamber 8, a plurality of stake amount sensors 8'for detecting the amount of stake grains in the vertical direction are provided at predetermined intervals to detect the amount of stake grains. It is configured to do.

The grain drying chambers 9, 9 are provided below the storage chamber 8 between the left and right air exhaust chambers 10, 10 and the central air blowing chamber 11, and below the drying chambers 9, 9. Each of the feeding valves 12 for feeding and dropping the grain is rotatably supported. The grain collecting trough 13 rotatably rotatably supports a transfer spiral, and is provided below the drying chambers 10 and 10 to communicate with each other.

The burner 4 of the hot air device 3 is provided inside a burner case 14, and the burner case 14 is located outside the front machine wall 5 so as to correspond to the inlet side of the blower chamber 11 on the front side of the front machine wall 5. An operation panel 15 is detachably provided on the side surface, and a dryer 1, a moisture sensor 2 and a burner 4 are put on the operation panel 15 which is started and stopped for each operation of drying and discharging.

The exhaust fan 16 is provided on a rear side exhaust wall 10, which is provided at a central rear side exhaust duct 18 of the exhaust passage chamber 17 provided to communicate with the left and right exhaust chambers 10, 10. An exhaust fan motor 19 that rotationally drives the exhaust fan 16 is provided in the No. 5.
The valve motor 20 rotationally drives the delivery valves 12 and 12 via a reduction mechanism.

The fuel pump 21 has a fuel valve,
The fuel pump 21 is provided outside the lower plate of the burner case 14, and the fuel in the fuel tank 22 is sucked by the fuel pump 21 to be supplied to the burner 4. Blower 23
Is provided on the outer side of the upper plate and is rotationally driven at a variable speed by a fan motor 24 for speed change so that combustion air corresponding to the supplied fuel amount is blown by the fan 23 to the burner 4. The burner 4
The hot air drying is performed to dry the grains with the dry hot air generated from the above, and the drying hot air is stopped to perform the rest drying.

The diffusion plate 25 is provided at the center of the bottom plate of the transfer gutter 6 in the front-rear direction and below the supply port for supplying the transfer grains to the storage chamber 8 to uniformly diffuse and reduce the grains to the storage chamber 8. ing.
The grain-raising machine 26 is provided on the outer side of the front side machine wall 5, a belt with a bucket conveyor 27 is stretched inside, and an upper end has a throw-out cylinder 28 between it and the starting end of the transfer gutter 6. The lower end is provided with a supply gutter 29 between the terminal end of the grain collecting gutter 13 and the lower end thereof.

The grain elevator motor 30 is used for the bucket conveyor 2
The belt with 7 and the transfer spiral in the transfer gutter 6 and the transfer spiral in the diffusing plate 25 and the grain collecting gutter 13 are rotationally driven. The moisture sensor 2 is provided substantially in the central portion in the vertical direction of the grain raising machine 26. The moisture sensor 2 is rotated by the moisture motor 31 when an electric measurement signal is transmitted from the operating device 15. Each part is driven to rotate, and bucket conveyor 2
The grains falling during the transportation to the upper part at 7 are received by the feeding roll 31 'and the guide plate 32' and transferred to the detection rolls 33 ', 3
It is supplied to the 3 ', and a predetermined number of particles, for example 32 particles, are crushed and crushed one by one between the detection rolls 33' and 33 ', and converted into a resistance voltage value at this time, and an average value of the 32 particles is calculated. Then, the average moisture value of the 32 grains is calculated 3 times, and the average moisture value of the 3 times is further calculated, and the calculated average moisture value of 3 times is regarded as one detected grain moisture value (MS). It is configured to do.
Further, the moisture sensor 2 has a configuration in which a predetermined grain moisture, for example, a grain moisture of 31% or more cannot be detected, and an upper limit grain moisture is provided.

As a structure for calculating the planned drying time until the completion of drying of the grain, etc., based on the moisture difference between the moisture of the grain detected by the moisture sensor 2 and the moisture stopped for finishing and the drying rate data calculated from the detected moisture of the grain. There is. The operation panel 15 has a box shape, and a display means 32 for displaying various items, for example, in a liquid crystal format on the surface plate of the box body. Below the display means 32, various functions of the dryer 1 are set. Function setting means 3 for a plurality of push button type ON-OFF switches
3a, 33b, 33c, 33d and an emergency stop means 34 for performing an emergency stop operation are provided, and these function setting means 33a, 3
Various functions set by operating 3b, 33c, 33d are displayed on the display means 32.

These function setting means 33a, 33b, 33c, 33d before the start of each work of loading, drying, discharging and ventilation.
The function display of No. 3 is displayed on the display means 32 as shown in FIG. Also, these function setting means 33a, 3 when setting the grain type, the drying mode, etc.
The function display of 3b, 33c, 33d is as shown in FIG.
The mode, change and return are displayed on the display means 32.

The control device 35 is provided in the operation panel 15, and the detection input of the paddy flow sensor 36, the input of digital information, the operation of each function setting means 33a, 33b, 33c, 33d and the emergency stop means 34 are input. Digital input circuit (A)
Digital input of 37, input of analog sensor information, analog input circuit 39 into which the detections of the moisture sensor 2 and hot air temperature sensor 38 are input, A / D conversion circuit 40, serial data transmission circuit 41, and memory clear 42 Input circuit (B) 43, each of these input circuits 37, 39, 40,
The dryer control microcomputer 44 and the memory 45 that perform arithmetic logic operation and comparison operation on the inputs from 41 and 43, and the output circuit (A) 4 according to a command from the dryer control microcomputer 44.
6, the exhaust motor 19 is controlled to start and stop, the output motor (B) 47 is used to control the valve motor 20 and the grain raiser motor 30, and the output circuit (C) 48 is used to control the fuel valve and fuel. Starting, stopping and adjusting the pump 21, controlling the exhaust fan motor 24 via the output circuit (D) 49, controlling the stopping and adjusting, and starting and stopping the moisture motor 31 via the output circuit (E) 50. Various items are controlled to be displayed on the display means 32 via the display circuit 51, and the serial data receiving circuit 52 and the non-volatile memory 53 are provided.

The display control of various displays on the display means 32 by the control device 35 and the moisture variation calculated by the average moisture (MS), the standard deviation (σ) and the moisture detection range of the grain moisture detected by the moisture sensor 2. Also, the calculation and display control of the content rate of green rice and rice porridge is performed as follows. That is, when the grain moisture detected by the moisture sensor 2 exceeds the upper limit grain moisture that can be detected by this moisture sensor 2, the detected grain moisture on the display means 32 and the screen during the drying of both the planned drying time The display control is configured as follows. The function setting means 33b for starting the drying operation is operated to detect whether it is ON (step 101). If NO is detected, the process returns to step 101, and if YES is detected, each motor 19, 20, 30 of the drive system is detected. Outputs of 31 and the like are turned on (step 102), outputs of the fuel valve of the combustion system, the fuel pump 21, the blower motor 24 and the like are turned on (step 103), and a screen during drying is displayed (step 10).
4) The moisture content of the grain is measured by the moisture sensor 2 (step 1
05), the detected grain moisture value is calculated (step 106),
The detected grain moisture and the upper limit grain moisture are compared, and it is detected whether the detected grain moisture is higher than the upper limit grain moisture (step 10
7) If the YES is detected, the estimated drying time of the grain is calculated based on the detected upper limit of the moisture of the grain (step 108), and the display of the moisture of the grain is 31.1% of the upper limit of the moisture of the grain as shown in FIG.
The above is displayed. It is also possible to display the symbols as HH · H. Further, the display of the scheduled drying time is configured to be displayed as 18 or more if the calculated time is longer than the calculated time as shown in FIG. 1, for example, if the calculated time is 18 hours (step 10).
9). Further, the screen display during drying is configured to alternately display FIG. 1 and FIG.

When NO is detected in step 107, the scheduled drying time is calculated from the detected grain moisture value (step 110), and the detected grain moisture and the calculated scheduled drying time are displayed (step 111). The operation of the above embodiment will be described below. When the grain drying by the grain dryer 1 is started, each function setting means 33a, 33 of the operation panel 15 is used.
b, 33c, 33d to set various items necessary for the drying work, for example, the type of grain, finishing stop moisture, drying type, etc., and to operate the function setting means 33b for starting the drying work. Each part of the dryer 1, the burner 4 of the hot air device 3, the moisture sensor 2 and the like are started, hot air is generated from the burner 4, and the hot air passes from the blower chamber 11 to the grain drying chambers 9 and 9. Each exhaust chamber 10, 10 and exhaust passage chamber 17
After that, the air is sucked and exhausted by the exhaust fan 16.

The grains stored in the grain storage chamber 8 are dried by being exposed to the hot air while flowing down from the storage chamber 8 into the drying chambers 9 and 9, respectively, and are lowered by the feeding valves 12 and 12. Is fed to the grain collecting gutter 13 through a supply gutter 29, and is fed by a lower transfer spiral into the grain raising machine 26, is conveyed to an upper part by a bucket conveyor 27, and is transferred through an ejecting cylinder 28. 6 is supplied into the storage chamber 8 from the transfer gutter 6 and is supplied from the transfer gutter 6 onto the diffusion plate 25 by an upper transfer spiral.

When the moisture content of the grain detected by the moisture sensor 2 is the same as the moisture content of the finishing finish which has been set, it is detected that the drying is completed, and the control device 35 automatically controls the drying process. 1 is automatically stopped, and the drying of the grain is stopped. The detected grain moisture displayed on the display means 32 of the operation panel 15 during the drying operation is the average grain moisture (MS) detected by the moisture sensor 2, and the upper limit grain moisture that can be detected by the moisture sensor 2, for example, When 31% or less is detected, assuming that the detected average grain moisture (MS) is 28%, this 28% is displayed as it is, and the detected average grain moisture (MS) is the upper limit of detection grain. When more than the grain water content is detected, it is displayed as 31.1% or more. Alternatively, it may be displayed as HH · H.

The expected drying time displayed on the display means 32 is calculated by the difference in water between the detected average grain moisture (MS) and the water content after finishing and the drying rate data calculated from the detected average grain moisture (MS). Is the average grain moisture (M
When S) detects 31% or less of the upper limit of the detected grain moisture, the planned drying time calculated by the moisture difference between the detected average grain moisture (MS) and the finish-stopped moisture and the calculated drying rate data is 12 hours. If it is, the numerical value is displayed as it is at 12:00 on the display means 32, and when the detected average grain moisture (MS) is equal to or higher than the detection upper limit grain moisture, Assuming that the scheduled drying time calculated from the moisture difference from the finish suspended moisture and the drying rate data is 18 hours, the display means 32 displays the time of 18:00 or more.

The display of the water content variation calculated from the water content of the grain detected by the water content sensor 2 and the content ratio of green rice and rice cake is as follows.
The calculation is displayed as shown in FIG. 3, and the calculation control is performed as shown in the flowchart of FIG. The function setting means 33b for starting the drying operation is operated to detect whether it is ON (step 201). If NO is detected, the process returns to step 201, and if YES is detected, each motor 19 or 2 of the drive system is detected.
The outputs of 0, 30, 31 and the like are turned on, and the outputs of the fuel valve of the combustion system, the fuel pump 21 and the blower motor 24 are turned on (step 202), and the moisture content of the grain is measured by the moisture sensor 2 (step 203). ), Average grain moisture (MS)
Is calculated and displayed on the display means 32 (step 20).
4) The display deviation (σ) is calculated from the detected grain moisture (step 205), and it is detected whether the average grain moisture (MS) -2σ is larger than the lower limit of the grain moisture that can be detected by the moisture sensor 2. [Average grain moisture (MS) -2 [sigma] <lower limit value] (step 206), and when NO is detected, average grain moisture (M
S) + 2σ is detected whether the upper limit of the grain moisture that can be detected by the moisture sensor 2 is smaller [average grain moisture (MS) +
2σ> upper limit value] (step 207), if NO is detected, the content ratio of green rice and rice cake is calculated (step 208),
The water content variation, the content ratio of green rice and rice gruel is displayed on the display means 32 (step 209), and if YES is detected in step 206 and step 207, the process proceeds to step 210, and the average grain moisture (MS). Is detected to be smaller than or equal to the predetermined grain moisture (1) set and stored in [average grain moisture (MS) ≤ predetermined grain moisture (1)]
(Step 210) If it is detected as NO, it is detected whether a predetermined time set and stored has elapsed (Step 21).
1), if NO is detected, the process returns to step 211 and YE
When S is detected, the process returns to step 203.

When YES is detected in step 210, the outputs of the motors 19, 20, 30, 31 of the drive system are OF.
F, and the outputs of the fuel valve of the combustion system, the fuel pump 21, the blower motor 24, etc. are turned off (step 21
2), it is detected whether the set and stored predetermined time has elapsed (step 213), and if NO is detected, step 21
3, and if YES is detected, the motors 1 of the drive system
The outputs of 9, 20, 30, 31, etc. are turned on, and the fuel valve of the combustion system, the fuel pump 21, and the blower motor 2 are also turned on.
The outputs such as 4 are turned on (step 214), the moisture content of the grain is measured by the moisture sensor 2 (step 215), and the average grain moisture (MS) is calculated and displayed on the display unit 32 (step 216). The display deviation (σ) is calculated from the grain moisture (step 217), and the first measurement is detected (step 218). When NO is detected, the average grain moisture (M) is detected.
It is detected whether S) −2σ is larger than the lower limit value of the grain moisture that can be detected by the moisture sensor 2 [mean grain moisture (MS) −
2σ <lower limit value] (step 219), if NO is detected, it is detected whether the average grain moisture (MS) + 2σ is smaller than the upper limit value of the grain moisture that the moisture sensor 2 can detect [average grain moisture (MS) + 2σ> upper limit] (step 22
0), if YES is detected in step 218, the process proceeds to step 221. When NO is detected in step 220, the content ratio of green rice and rice gruel is calculated (step 22
1) The water content variation, the content ratio of green rice and rice cake are displayed on the display means 32 (step 222), and if YES is detected in step 219 and step 220, step 22
It is configured to proceed to 3, and it is detected whether the average grain moisture (MS) is smaller than or equal to the set and stored predetermined grain moisture (2) [average grain moisture (MS) ≤ predetermined grain Granular water content (2)] (step 223), it is detected whether or not a predetermined time set and stored when NO is detected (step 224), and if NO is detected, the process returns to step 224 and YES is detected. Then, the process returns to step 215.

When YES is detected in step 223, the dryer 1 is configured so that the operation is stopped (drying is completed) (step 225). As a result, it is possible to detect the variation in water content after the suspension.

[Brief description of drawings]

 The figure shows an embodiment of the present invention.

[Figure 1] Enlarged screen image of the operating device during drying

[Fig. 2] Screen diagram of the enlarged drying screen of the operating device

[Fig. 3] Screen diagram of the enlarged drying screen of the operating device

FIG. 4 is a block diagram.

FIG. 5: Flow chart

FIG. 6 is an overall side view of the grain dryer, which can be partially broken.

7 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 8 is an enlarged operation diagram of the operating device.

FIG. 9 is an enlarged view of the operating device.

FIG. 10 is an enlarged perspective view of a part of the moisture sensor.

FIG. 11: Relationship between water content variation, green rice and rice porridge content rate calculation

FIG. 12 is a flowchart.

[Explanation of symbols]

 2 moisture sensor 8 grain storage chamber 9 grain drying chamber 15 operation panel 32 display means 33a function setting means 33b function setting means 33c function setting means 33d function setting means 34 emergency stop means

Claims (1)

[Claims] 1. A moisture sensor 2 for detecting the moisture content of the grain, which is provided so as to be exposed to dry hot air to be dried while the grain is being let out from the grain storage chamber 8 at the upper portion to the grain drying chamber 9 at the lower portion.
In addition to the above, the operation panel 15 for operating the operation is provided, and on the surface portion of the operation panel 15, the detected grain moisture and the moisture difference between the detected grain moisture and the finishing stop moisture, and the drying speed data are used until the end of drying. Display means 32 capable of displaying the planned drying time and the like, a plurality of function setting means 33a, 33b, 33c, 33d for setting or changing the multi-function, and an emergency stop means 34 for stopping the grain dryer. In the dryer provided, when the detected grain moisture exceeds the upper limit grain moisture that can be detected by the moisture sensor 2, the grain moisture to be displayed on the display means 32 and the planned drying time are not less than the upper limit grain moisture. As well as displaying that the upper limit value is exceeded, the planned drying time is calculated by calculating the planned drying time based on the upper limit grain moisture,
And an operation display system characterized in that the display output is controlled on the display means 32 so as to display a message to the effect that it is exceeded.